12525517183345 has 4 divisors (see below), whose sum is σ = 15030620620020. Its totient is φ = 10020413746672.

The previous prime is 12525517183343. The next prime is 12525517183349. The reversal of 12525517183345 is 54338171552521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8744328040561 + 3781189142784 = 2957081^2 + 1944528^2 .

It is a cyclic number.

It is not a de Polignac number, because 12525517183345 - 2¹ = 12525517183343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12525517183292 and 12525517183301.

It is not an unprimeable number, because it can be changed into a prime (12525517183343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1252551718330 + ... + 1252551718339.

It is an arithmetic number, because the mean of its divisors is an integer number (3757655155005).

Almost surely, 2^{12525517183345} is an apocalyptic number.

It is an amenable number.

12525517183345 is a deficient number, since it is larger than the sum of its proper divisors (2505103436675).

12525517183345 is an equidigital number, since it uses as much as digits as its factorization.

12525517183345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505103436674.

The product of its digits is 5040000, while the sum is 52.

The spelling of 12525517183345 in words is "twelve trillion, five hundred twenty-five billion, five hundred seventeen million, one hundred eighty-three thousand, three hundred forty-five".